Lead external API integrations at Vantage, designing reliable data exchange with partner systems from its remote-first Toronto team.

As a Senior Engineer, you will own partner connectors and evolve internal and partner-facing APIs. You will handle authentication, rate limiting, retries, large datasets, and data flows that pull from and push to external sources. You will also guide architecture and mentor engineers.

Key Responsibilities:

Own reliable external API integrations and data exchange

Design and evolve internal and partner-facing APIs

Build features handling large datasets and external data

Maintain automated test coverage and clear documentation

Guide scalable architecture and solution decisions

Requirements:

Six or more years in software development, testing, and architecture

Solid Python and Django experience building production APIs

Experience with B2B API integrations and cloud platforms

Proven mentoring and knowledge-sharing track record

Experience diagnosing and preventing performance problems

Use senior software engineering judgment, API design, and partner integration skills to strengthen Vantage’s retail media platform.

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📌 Senior Integration Engineer - (Remote) (Ottawa)
🏢 Vantage
📍 Ottawa